Press-copy book



, (No Model.)

F; BOWMAN. PRESS COPY BOUK.

No. 467,789. Patented Jan. 26, 1892.

WVG/names ttozm ms UNITED STATES PATENT OFFICE.

FRANK BOVVMAN, OF BROOKLYN, NEV YORK.

PRESS-COPY BooK.

SPECIFICATION forming part of Letters Patent No. 467,789, dated January26, 1892.

Application led November 28, 1891. Serial No. 413,403. (No model.)

T0 all wil/071?, it may concern:

Be it known that I, FRANK BOWMAN, a citizen of the United States,residing at Brooklyn, in the countyof Kings and State of New York, haveinvented certain new and useful Improvements in Press-Copy Books, ofwhich the following is a specification, reference being had therei-n tothe accompanying drawings, in which- V Figure l represents an end viewof my improved book open; Fig. 2, a plan view of the open book, thesignatures being removed to better shor the Waterproofing compound; Fig.3, a detail transverse sectional View of the inner strip with signaturesattached.

This invention relates to that class of books known as press-copy books,wherein the leaves are made of tissue-paper and are dampened during theprocess of copying; and it has for its objectpto provide means forpreventing` the moisture used during the process of copying fromreaching the band or strip of fabric to which the leaves are stitched,and also the glue under the same, whereby the glue and fabric will notbe injured by the water, as will presently appear.

In the drawings, a a designates the covers, which are flexibly connectedto the concave back a in the usual manner. A strong iiexible strip ofsuitable fabric b extends the full length of the book from end t'o endand across the concavity of the back, and is securely glued to the inneredge of the covers, the edges of this strip extending a considerabledistance in upon the covers. The entire upper side of this fabric isprovided With a coating b of waterproofing compound, such as rubber. Thesections of tissue-paper leaves are stitched to t-he compound on thefabric, the stitching passing through both the compound and the fabric.If desired, a strip of fabric b may be glued to the under side of thefabric b before gluing it to the covers, this fabric serving to addstrength and more securely fasten it to the covers. Books of thischaracter are usuallypreserved for many years after being filled withcopies, and are constantly being referred to for information. In order,therefore, that they may remain i11- tact and withstand the rough usagethey are subjected to both during the process of presscopying and for along time afterward it is essential that they be strongly and dui-ablyconstructed.

In the present invention the book is rendered much more durable andstronger by providing the upper face of the fabric with a flexiblecoating of waterproofing material, whereby the water forced from the wetleaves during the pressing operation will be prevented from reaching andinjuring the fabric and the glue under the same and the outer backstrip. The fabric and its coating are flexible and strong and will notbe injured by the great pressure these books are usually subjected to.

Nothing is claimed in this application covered by a former applicationtiled by me on the 9th day of November, 1891, and serially numbered411,301.

Having thus fully described my invention, what I claim, and desire tosecure by Letters Patent, is-

The combination of the back strip and covers flexibly connected thereto,a strip of fabric extending the full length of the book and having itslongitudinal edges glued to the inner edges of the covers, a coating ofwaterproofing material upon the entire upper surface of said strip, andthe leaves stitched to said coated fabric, substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

FRANK BOVMAN.

'itnesses:

ALBERT E. CUTHBERT, HENRY M. IIAwKEs.

